The Smart Library window is the heart of Smart Library, opened through Unity’s top menu: Window > Smart Library, or the shortcut “Shift + L”. You edit, add, and remove collections along with assets to collections through the window.
(A) Add button: Allows you to add collections to the library by selecting a type from a dropdown menu.
(B) Collections area visibility: Allows you to hide the collections tree view area.
(C) Sort dropdown menu: Allows you to sort the assets in the item view by ascending or descending order of either their name or type.
(D) Search Field: Allows you to search in the selected collection for assets by their name.
(E) All items: A permanent entry in the tree view that contains every assets that is in at least one collection in the library.
(F) Collections tree view: Displays all the collections in the library.
(G) Item area: Displays the assets in the selected collection.
(H) Update items button: Allows you to manually run a check on the selected collection to ensure that all assets in it match the collection’s rules, removing any assets that don’t.
(I) Item size: Allows you to set the size of the items in the item area.
(J) Item view style: Allows you to toggle the item area between a grid and list style view.